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Junior Front End Developer Jobs in Colorado (NOW HIRING)

KORE1 Technologies

Principal Frontend Engineer

Denver, CO · On-site

$110K - $165K/yr

About the Role We're looking for a Principal Frontend Engineer to help build and shape the user-facing side of our products. You'll bring deep expertise in modern frontend development, a strong ...

campus4tech

NodeJS Developer

Greenwood Village, CO · On-site

$50.50 - $65.50/hr

Work alongside front-end developers and system architects to ensure a cohesive user experience ... Engage in code reviews and provide mentorship to junior developers, promoting a culture of ...

Eliassen Group

Front-End Engineer II

Almont, CO · On-site

$110K - $120K/yr

Remote Our client seeks a Front-End Engineer II to build and enhance single page applications that support internal systems and user-facing experiences. The role partners with front-end developers ...

Bentley Systems

Sr. Optimizely Developer

Arvada, CO · On-site +1

$117K - $154K/yr

Experimentation & Personalization (Frontend Execution) * * Complex Test Engineering: Code and deploy complex A/B, split, and multivariate tests within Optimizely Web Experimentation. Handle advanced ...

Horizontal Talent

Sr. Optimizely Developer

Denver, CO · Remote

$118K - $155K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

Loft Orbital Solutions

Frontend Engineer

Golden, CO · On-site

$140 - $190/hr

As a Frontend Engineer at Loft, you will work on a range of projects, including refining the UI of Cockpit, our satellite operations software, and empowering end-users with powerful satellite ...

Simple Energy

Front-End Engineer

Boulder, CO · On-site

Basic Position Requirements (Front-End Engineer) Facebook Integration Experience Mobile Development Experience (iOS and Android) Familiar with HTML5 Comfortable designing HTML email templates Keen ...

Horizontal Talent

Senior CMS Developer Optimizely

Denver, CO · Remote

$118K - $155K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

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All JobsFront End Developer JobsJunior Front End Developer JobsJunior Front End Developer Jobs in Colorado

Junior Front End Developer information

See Colorado salary details

$25.2K

$93.6K

$144.6K

How much do junior front end developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for junior front end developer in Colorado is $93,559.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $91,500.00 per year, depending on experience, location, and employer.

What does a junior front end developer do?

A Junior Front End Developer is responsible for creating and maintaining the user-facing parts of websites and web applications. They use languages like HTML, CSS, and JavaScript to build interactive and visually appealing interfaces. Typically, they work as part of a development team, assisting with coding, debugging, and implementing design changes based on user or client feedback. Their role often involves learning new technologies and best practices under the guidance of more experienced developers.

What are the key skills and qualifications needed to thrive as a junior front end developer, and why are they important?

A Junior Front End Developer should possess foundational knowledge of HTML, CSS, and JavaScript, along with a relevant degree or coding bootcamp experience. Familiarity with frameworks like React or Vue.js, version control systems such as Git, and basic understanding of responsive design tools is often expected. Strong problem-solving skills, attention to detail, and effective communication help set candidates apart in collaborative environments. These skills are crucial for building user-friendly, high-quality web interfaces and contributing effectively to development teams.

What are some typical challenges a junior front end developer faces when joining a new team, and how can they overcome them?

Junior Front End Developers often encounter challenges such as adapting to established codebases, understanding team workflows, and keeping up with rapidly evolving front-end technologies. To overcome these, it's helpful to proactively ask questions, seek mentorship from more experienced teammates, and utilize code reviews as learning opportunities. Familiarizing yourself with the team's preferred tools and frameworks, as well as participating in regular stand-ups or sprint meetings, can also ease the transition and foster collaboration.

What is the difference between Junior Front End Developer vs Front End Developer?

AspectJunior Front End DeveloperFront End Developer
Experience LevelEntry-level, 0-2 yearsMid-level, 2+ years
SkillsBasic HTML, CSS, JavaScript, learning frameworksProficient in HTML, CSS, JavaScript, frameworks like React or Angular
ResponsibilitiesAssist in front-end tasks, bug fixes, learning project workflowsDevelop features, optimize UI, collaborate with designers and back-end teams
Work EnvironmentMentored roles, supervised tasksIndependent task management, team collaboration

The main difference between a Junior Front End Developer and a Front End Developer lies in experience and responsibility. Junior developers are typically entry-level, focusing on learning and assisting with tasks, while Front End Developers are more experienced, handling complex features and independent work.

What are the most commonly searched types of Front End Developer jobs in Colorado?

The most popular types of Front End Developer jobs in Colorado are:

What are popular job titles related to Junior Front End Developer jobs in Colorado?

For Junior Front End Developer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Junior Front End Developer jobs in Colorado look for?

The top searched job categories for Junior Front End Developer jobs in Colorado are:

What cities in Colorado are hiring for Junior Front End Developer jobs?

Cities in Colorado with the most Junior Front End Developer job openings:

Junior Front End Developer jobs near you
Infographic showing various Junior Front End Developer job openings in Colorado as of August 2026, with employment types broken down into 77% Full Time, 19% Part Time, 1% Temporary, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $93,559 per year, or $45 per hour.

Principal Frontend Engineer

KORE1 Technologies

Denver, CO • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 15 days ago

Job description


KORE1, a nationwide provider of staffing and recruiting solutions, has an immediate opening for a Principal Frontend Engineer based in Denver, Co. The role is Hybrid with 3 days onsite each week. 

About the Role
We're looking for a Principal Frontend Engineer to help build and shape the user-facing side of our products. You'll bring deep expertise in modern frontend development, a strong understanding of clean architecture, and a collaborative mindset.
In addition to writing high-quality code, you'll mentor other developers, help guide technical direction, and work closely with designers and stakeholders to deliver intuitive, polished interfaces. This is a hands-on position for someone with at least five years of experience who takes ownership of code quality and enjoys raising standards across the team.
Experience with Vue 3+ is preferred, but we're also interested in strong React or Angular engineers who are excited to transition to Vue. Experience in payments, foreign exchange, or another regulated industry is a plus.

What You'll Do
  • Build and maintain reliable, maintainable frontend applications using Vue 3+ and TypeScript.
  • Design scalable frontend solutions using clean architecture and coding practices.
  • Conduct thorough code reviews and uphold high standards for quality across the team.
  • Mentor other developers on architecture, best practices, and clean coding habits.
  • Build responsive and accessible interfaces using Tailwind CSS, HTML5, and CSS3.
  • Write and maintain unit and integration tests using Vitest.
  • Work with modern build tools and bundlers such as Vite.
  • Collaborate with designers to turn UX/UI concepts into intuitive and visually polished experiences.
  • Partner with engineers and stakeholders in an Agile/Scrum environment while contributing to the team's technical direction.
  • Use AI development tools such as Claude Code or GitHub Copilot to improve productivity.
  • Communicate clearly with both technical and non-technical stakeholders.

Required Qualifications
  • Five or more years of experience building production software.
  • Proficiency with Vue 3+, or strong experience with React or Angular and an interest in transitioning to Vue.
  • Strong TypeScript knowledge.
  • A demonstrated commitment to clean, maintainable code.
  • Strong knowledge of frontend architecture and object-oriented programming and design.
  • Experience conducting effective code reviews.
  • Experience mentoring developers on best practices and code quality.
  • Experience with modern Tailwind CSS.
  • Experience writing unit tests using Vitest or Jest.
  • Understanding of JavaScript build tools and module bundlers such as Vite, Rollup, or Webpack.
  • Strong knowledge of HTML5, CSS3, responsive web design, and accessibility principles.
  • Understanding of UX/UI design principles and the ability to collaborate closely with designers.
  • Familiarity with Agile/Scrum methodologies and cross-functional collaboration.
  • Experience with—or an open mindset toward—AI coding tools such as Claude Code and GitHub Copilot.
  • Strong written and verbal communication skills, including the ability to align engineers and stakeholders around a technical direction.

Preferred Qualifications
  • Experience with PostCSS, Sass, SCSS, or similar CSS technologies.
  • Knowledge of end-to-end testing frameworks such as Playwright.
  • Experience with Storybook for component-driven development and UI documentation.
  • Experience in payments, foreign exchange, or another regulated industry.

Perks and Benefits
  • Medical, dental, and vision insurance
  • 401(k) plan with company match
  • Employee stock purchase plan
  • Paid vacation and sick leave
  • Hybrid work schedule
  • Tuition assistance
  • Professional growth opportunities
  • Company gatherings and team-building events
  • Mental health and well-being support through Plumm
  • One paid volunteer day for a charity of your choice



Compensation depends on experience but is typically 110-165k DOE

ABOUT KORE1
Specializing in professional and technical recruiting, KORE1 is committed to supporting top IT, Engineering, Creative, Scientific, Accounting and Finance professionals in their career paths. We build deep relationships with leading companies, connecting them to exceptional talent every day. With extensive industry expertise and unmatched opportunities, our goal is to provide a unique experience for our contractors and consultants as they prepare for their next role. We are passionate about matching the right people with the right companies.

Kore1 provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Kore1 complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. Kore1 expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of Kore1's employees to perform their job duties may result in discipline up to and including discharge.